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RADIOLOGY QUIZ
Year : 2012  |  Volume : 29  |  Issue : 1  |  Page : 83-84  

Luftsichel sign


1 Asthma Bhawan, Jaipur, Rajasthan, India
2 SMS Medical College and Hospital, Jaipur, Rajasthan, India

Date of Web Publication28-Jan-2012

Correspondence Address:
Sheetu Singh
167 Officers Campus Extension, Sirsi Road, Jaipur- 302 012, Rajasthan
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-2113.92373

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How to cite this article:
Singh S, Singh N, Tikkiwal S. Luftsichel sign. Lung India 2012;29:83-4

How to cite this URL:
Singh S, Singh N, Tikkiwal S. Luftsichel sign. Lung India [serial online] 2012 [cited 2018 Jul 21];29:83-4. Available from: http://www.lungindia.com/text.asp?2012/29/1/83/92373

A 60-year-old male smoker was admitted with the chief complaints of cough, dyspnea and loss of appetite and weight. Skiagram chest revealed a left hilar shadow and a band of hyperlucency outlining the arch of aorta [Figure 1]. The left lung volume was reduced. Higher imaging in the form of contrast-enhanced computed tomography (CECT) of the chest showed collapse of the left upper lobe with abrupt ending of the left upper lobe bronchus [Figure 2]. Flexible bronchoscopy revealed left upper lobe growth, which on histopathologic examination of the biopsy specimen proved to be small cell carcinoma.
Figure 1: Chest radiograph of the patient reveals left hilar shadow, left lung volume loss and a hyperlucent band along the arch of the aorta (arrows)

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Figure 2: Contrast-enhanced computed tomography chest mediastinal window at the level of arch of aorta shows collapse of left upper lobe with a shift of major fissure (thick arrow). The superior segment of the left lower lobe has hyperinflated and invaginated the medial part of left upper lobe (thin arrow)

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Q1. Can you name the radiologic sign?

Q2. Can you explain its occurrence?



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   References Top

1.Ashizawa K, Hayashi K, Aso N, Minami K. Lobar atelectasis: Diagnostic pitfalls on chest radiography. Br J Radiol 2001;74:89-97.  Back to cited text no. 1
[PUBMED]  [FULLTEXT]  
2.Algin O, Gökalp G, Topal U. Signs in chest imaging. Diagn Interv Radiol 2011;17:18-29.   Back to cited text no. 2
    
3.Blankenbaker DG. The luftsichel sign. Radiology 1998;208:319-20.  Back to cited text no. 3
[PUBMED]  [FULLTEXT]  
4.Fraser RS, Colman N, Muller NL, Pare PD. Radiologic signs of chest disease. In: Fraser RS, Muller NL, Colman N, Pare PD, editors. Fraser and Pares Synopsis of Diseases of the Chest. 3 rd ed. Philadelphia: W.B. Saunders Co; 2005. p. 111-60.  Back to cited text no. 4
    


    Figures

  [Figure 1], [Figure 2]



 

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